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Magnesium And Boron Containing Lubricating Oil Composition For Hybrid Vehicles

Patent No. EP4185676 (titled "Magnesium And Boron Containing Lubricating Oil Composition For Hybrid Vehicles") was filed by Chevron Japan on Jul 20, 2021. The application was issued on Jun 4, 2025.

Patent Summary

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Patent Oppositions (2)

Patent oppositions filed by competitors challenge the validity of a granted patent. These oppositions are typically based on claims of prior art, lack of novelty, or non-obviousness. They are a key part of the process for determining a patent's strength and enforceability.

CompanyOpposition DateRepresentative
AFTON CHEMICALMar 4, 2026J A KEMP
INFINEUMMar 4, 2026EISENFUHR SPEISER

Dossier Documents

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EP4185676

CHEVRON JAPAN
Application Number
EP21749704A
Filing Date
Jul 20, 2021
Status
Granted And Under Opposition
May 2, 2025
Publication Date
Jun 4, 2025
External Links
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